QDjangoMetaModel.h
/*
* Copyright (C) 2010-2015 Jeremy Lainé
* Contact: https://github.com/jlaine/qdjango
*
* This file is part of the QDjango Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#ifndef QDJANGOMETAMODEL_H
#define QDJANGOMETAMODEL_H
#include <QMap>
#include <QSharedDataPointer>
#include <QVariant>
#include "QDjango_p.h"
class QDjangoMetaFieldPrivate;
class QDjangoMetaModelPrivate;
class QDJANGO_DB_EXPORT QDjangoMetaField
{
public:
QDjangoMetaField();
QDjangoMetaField(const QDjangoMetaField &other);
~QDjangoMetaField();
QDjangoMetaField& operator=(const QDjangoMetaField &other);
QString column() const;
bool isAutoIncrement() const;
bool isBlank() const;
bool isNullable() const;
bool isUnique() const;
bool isValid() const;
QString name() const;
int maxLength() const;
QVariant toDatabase(const QVariant &value) const;
private:
QSharedDataPointer<QDjangoMetaFieldPrivate> d;
friend class QDjangoMetaModel;
};
class QDJANGO_DB_EXPORT QDjangoMetaModel
{
public:
QDjangoMetaModel(const QMetaObject *model = 0);
QDjangoMetaModel(const QDjangoMetaModel &other);
~QDjangoMetaModel();
QDjangoMetaModel& operator=(const QDjangoMetaModel &other);
bool isValid() const;
bool createTable() const;
QStringList createTableSql() const;
bool dropTable() const;
void load(QObject *model, const QVariantList &props, int &pos) const;
bool remove(QObject *model) const;
bool save(QObject *model) const;
QObject *foreignKey(const QObject *model, const char *name) const;
void setForeignKey(QObject *model, const char *name, QObject *value) const;
QString className() const;
QDjangoMetaField localField(const char *name) const;
QList<QDjangoMetaField> localFields() const;
QMap<QByteArray, QByteArray> foreignFields() const;
QByteArray primaryKey() const;
QString table() const;
private:
QSharedDataPointer<QDjangoMetaModelPrivate> d;
};
#endif
QDjangoMetaField
The QDjangoMetaField class holds the database schema for a field.
Definition: QDjangoMetaModel.h:34
QDjangoMetaModel
The QDjangoMetaModel class holds the database schema for a model.
Definition: QDjangoMetaModel.h:64